Media Mavens on the Move — C-Level and Executive

Dick Costolo was named CEO at Twitter.

Dina Howell moved from VP Global Media and Brand Ops at P&G to CEO at Saatchi & Saatchi X.

Kevin Crull joined as COO at CTVglobemedia Inc.

Tim Hanlon joined as Managing Director/CEO at Velociter.

George Bell joined as CEO JumpTap.

Jason Ruebel joined as Chief Integration Officer at Northlich.

Keith Barraclough moved from GM at Ovi.com to Chief Technology Officer/EVP Products at Next Issue Media.

David Kline moved from CIO at Discovery Communications to SVP of Technology/CIO at Viacom/MTV Networks.

David Davies moved from Managing Director at Bauer to CEO at Phaidon Press.

Michael Carroll moved from Director at The Wall Street Journal to Publisher at Budget Travel.